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Biology Taxonomy
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What is
taxonomy
?
The science of naming organisms and assigning them into groups called taxa ( singular. taxon )
What is the
biosphere
?
It is part of the earth
inhabitated by living organism
.
How does the biosphere relate to taxonomy?
Taxonomy attempts to classify all organisms withi the biosphere.
Approximately how many living organisms are there on the earth?
30 to 100 million
ARISTOTLE's Classification Criteria
???
- categorized according to
habitat
- water dwellers
- air "
- land "
ST.AUGUSTINE
Classification Criteria ???
useful, harmful or superfluous (not neccessary)
- very human centered view
JOHN RAY
's Classification Criteria
coined the term "
Species
"
- organism similar in shape and structure and could reproduce with each other.
LINNAEUS
's Classification Criteria
- grouped organisms according to their
structural similarities
- invented
Binomial nomenclature
- Used
genus and species
base on the latin names of organisms
7 LEVELS of the taxonomic classification system
Kingdom
Phylum
Class
Order
Family
Genus
Species
What is
binomial nonmenclature
and what are the rules of its proper usage?
A
2-word
system of uniquely naming organisms according to their
genus and species
.
What are the
3 ADVANTAGES
of using the binomial nomenclature system?
-
Universal scientific communication
-
Unique
for every living things
- Shows
relationships
between closely related organisms
DICHOTOMY
Splitting
of a whole into
two mutually exclusive parts
DICHOTOMOUS KEY
used for ???
to
help place
organisms into an appropriate c
lassification group
2 CONDITIONS for a properly written dichotomous key ???
-
2 choices
for each characteristic
-
unique ending
for each individual item
2 WAYS
by which a dichotomous key could be represented?
diagrams
with words
How does a dichotomous key relate to the 7 taxa and binomial nomenclature?
- characteristics that defube the choices that are often based on the characteristics that subdivide each taxa.
A
TRUE
Dichotomous key
ends with scientific
name of organism using the
binomial nomenclature system
Author
just15abi
ID
65346
Card Set
Biology Taxonomy
Description
Biology Taxonomy
Updated
2011-02-10T13:20:02Z
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